Jaguar XJ (X350). Service manual — part 1574

1. Reconnect the battery negative terminal. 2. Measure the resistance between IP68, pin 03
(BR) and GROUND.

•

Is the resistance less than 10,000 ohms?

-> Yes
REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR
the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t51.

G1043827t51 : CHECK THE POWER SUPPLY TO THE
PAD WARNING LAMP FOR SHORT TO POWER

1. Measure the voltage between IP68, pin 03 (BR) and GROUND.

•

Is the voltage greater than 3 volts?

-> Yes
REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR
the DTC. TEST the system for normal operation.

-> No
Contact dealer technical support for advice on possible RCM failure.

PINPOINT TEST G1043827p6 : DTC
B2293: FLASH CODE 19: DRIVER AIR
BAG/CLOCKSPRING MALFUNCTION

G1043827t52 : CHECK THE DRIVER AIRBAG
MODULE AND CIRCUIT USING SIMULATORS

1. Disconnect the battery negative terminal. 2. Wait one minute for the system to become safe.
3. Disconnect the driver airbag electrical connectors, SW11 and SW12. 4. Connect a
simulator to each connector. 5. Reconnect the battery negative terminal. 6. Turn the ignition
switch to the ON position. 7. Allow the self-test to complete with the simulators installed.

•

Does the self-test pass?

-> Yes
INSTALL a new driver air bag module,
Driver Air Bag Module (76.73.39) CLEAR the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t53.

G1043827t53 : CHECK THE DRIVER AIRBAG FIRST
STAGE SIGNAL CIRCUIT THROUGH THE
CLOCKSPRING FOR HIGH RESISTANCE

1. Disconnect the battery negative terminal. 2. Wait one minute for the system to become safe.
3. Disconnect the clockspring electrical connector, SW08. 4. Measure the resistance between
SW11, pin 01 (SB) and SW08, pin 10.

•

Is the resistance greater than 5 ohms?

-> Yes
INSTALL a new clockspring.
Clockspring (86.65.92) CLEAR the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t54.

G1043827t54 : CHECK THE DRIVER AIRBAG FIRST
STAGE SIGNAL CIRCUIT THROUGH THE
CLOCKSPRING FOR SHORT TO GROUND

1. Reconnect the battery negative terminal. 2. Measure the resistance between SW11, pin 01
(SB) and GROUND.

•

Is the resistance less than 10,000 ohms?

-> Yes
INSTALL a new clockspring.
Clockspring (86.65.92) CLEAR the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t55.

G1043827t55 : CHECK THE DRIVER AIRBAG FIRST
STAGE SIGNAL CIRCUIT THROUGH THE
CLOCKSPRING FOR SHORT TO POWER

1. Measure the voltage between SW11, pin 01 (SB) and GROUND.

•

Is the voltage greater than 3 volts?

www.

-> Yes
INSTALL a new clockspring.
Clockspring (86.65.92) CLEAR the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t56.

G1043827t56 : CHECK THE DRIVER AIRBAG FIRST
STAGE RETURN CIRCUIT THROUGH THE
CLOCKSPRING FOR HIGH RESISTANCE

1. Disconnect the battery negative terminal. 2. Wait one minute for the system to become safe.
3. Measure the resistance between SW11, pin 02 (NR) and SW08, pin 09.

•

Is the resistance greater than 5 ohms?

-> Yes
INSTALL a new clockspring.
Clockspring (86.65.92) CLEAR the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t57.

G1043827t57 : CHECK THE DRIVER AIRBAG FIRST
STAGE RETURN CIRCUIT THROUGH THE
CLOCKSPRING FOR SHORT TO GROUND

1. Reconnect the battery negative terminal. 2. Measure the resistance between SW11, pin 02
(NR) and GROUND.

•

Is the resistance less than 10,000 ohms?

-> Yes
INSTALL a new clockspring.
Clockspring (86.65.92) CLEAR the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t58.

G1043827t58 : CHECK THE DRIVER AIRBAG FIRST
STAGE RETURN CIRCUIT THROUGH THE
CLOCKSPRING FOR SHORT TO POWER

1. Measure the voltage between SW11, pin 02 (NR) and GROUND.

•

Is the voltage greater than 3 volts?

-> Yes
INSTALL a new clockspring.
Clockspring (86.65.92) CLEAR the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t59.

G1043827t59 : CHECK THE DRIVER AIRBAG
SECOND STAGE SIGNAL CIRCUIT THROUGH THE
CLOCKSPRING FOR HIGH RESISTANCE

1. Disconnect the battery negative terminal. 2. Wait one minute for the system to become safe.
3. Measure the resistance between SW12, pin 01 (NB) and SW08, pin 02.

•

Is the resistance greater than 5 ohms?

-> Yes
INSTALL a new clockspring.
Clockspring (86.65.92) CLEAR the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t60.

G1043827t60 : CHECK THE DRIVER AIRBAG
SECOND STAGE SIGNAL CIRCUIT THROUGH THE
CLOCKSPRING FOR SHORT TO GROUND

1. Reconnect the battery negative terminal. 2. Measure the resistance between SW12, pin 01
(NB) and GROUND.

•

Is the resistance less than 10,000 ohms?

-> Yes
INSTALL a new clockspring.
Clockspring (86.65.92) CLEAR the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t61.

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